All the results of the simulations and the experimentations indicated that the ceramic ball bearings' performances are very good, especially in the low load and high-speed environment.
Fit for 4/5/6 MM roller screw axis.
Apply for most of rear derailleur on the market .
.Description:
Product Category:Bicycle Rear Derailleur
Specification: 12T
Material: aluminum alloy regulating wheel body + ceramic pelling
Application: compatible with most backdialing in the market, supports 9/10/11 speed
Weight: about 12 grams
Color: red, black, blue, gold
Packing list:
1 * Bicycle Rear Derailleur
Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.
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